*            The second value
     * @param value3
     *            The third value
     */
    public Tuple3(final T1 value1, final T2 value2, final T3 value3) {
        this.value1 = value1;
        this.value2 = value2;
        this.value3 = value3;
    }

    /**
     * Returns the first value.
     *
     * @return The first value
     */
    public T1 getValue1() {
        return value1;
    }

        String expected = "[testParam, [value1, value2]]";
        assertEquals(expected, param.toString());
    }

    public void test_toString_withNullName() {
        // Test toString with null name
        String[] values = { "value1" };
        RequestParameter param = new RequestParameter(null, values);

        String expected = "[null, [value1]]";
        assertEquals(expected, param.toString());
    }

        docMap.put("key1", "value1");
        docMap.put("key2", "value2");
        docMap.put("key3", "value3");

        Collection<Object> values = docMap.values();
        assertEquals(3, values.size());
        assertTrue(values.contains("value1"));
        assertTrue(values.contains("value2"));
        assertTrue(values.contains("value3"));
    }

    public void test_multipleOperations() {
        // Add initial values
        dataStoreParams.put("key1", "value1");
        dataStoreParams.put("key2", 123);

        // Add more values using putAll
        Map<String, String> additionalParams = new HashMap<>();
        additionalParams.put("key3", "value3");
        additionalParams.put("key4", "value4");
        dataStoreParams.putAll(additionalParams);

     *
     * @param value1
     *            The first value
     * @param value2
     *            The second value
     * @param value3
     *            The third value
     * @param value4
     *            The fourth value
     * @param value5
     *            The fifth value
     */
    public Tuple5(final T1 value1, final T2 value2, final T3 value3, final T4 value4, final T5 value5) {
        this.value1 = value1;

        this.value1 = value1;
        this.value2 = value2;
        this.value3 = value3;
        this.value4 = value4;
    }

    /**
     * Returns the first value.
     *
     * @return The first value
     */
    public T1 getValue1() {
        return value1;
    }

    /**
     * Sets the first value.
     *
     * @param value1

        // Test getting multiple different properties
        String value1 = fessConfig.get("domain.title");
        String value2 = fessConfig.get("search_engine.type");

        assertEquals("Test Fess", value1);
        assertEquals("opensearch", value2);
        assertFalse(value1.equals(value2));
    }

    // Test empty string property value
    public void test_get_emptyStringValue() {

      Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertSame(value1, cache.getUnchecked(key1));
      assertSame(value2, cache.getUnchecked(key2));
      assertEquals(ImmutableSet.of(key1, key2), cache.asMap().keySet());
      assertThat(cache.asMap().values()).containsExactly(value1, value2);
      assertEquals(

        value = "  key1  =  value1  \n  key2=value2\n";
        paramMap = ParameterUtil.parse(value);
        assertEquals(2, paramMap.size());
        assertEquals("value1", paramMap.get("key1"));
        assertEquals("value2", paramMap.get("key2"));

        // Test with empty lines and mixed whitespace
        value = "key1=value1\n\n\t\nkey2=value2\n \n";
        paramMap = ParameterUtil.parse(value);

      headersOf("header1", "valué1")
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Unexpected char 0xe9 at 4 in header1 value: valué1")
    }
  }

  @Test fun mapFactoryRejectsUnicodeInHeaderName() {
    assertFailsWith<IllegalArgumentException> {
      mapOf("héader1" to "value1").toHeaders()
    }.also { expected ->
      assertThat(expected.message)